Programmable Logic Controllers for advanced automation
Engineered for maximum flexibility, robust performance, and seamless integration. Linux-based architecture, EtherCAT technology and a modular design.
Discover DEIF PLCs
Programmable logic controllers drive the future of automation and energy management. DEIF PLCs are engineered for maximum flexibility, robust performance, and seamless integration, making them the preferred choice for industries demanding reliability and innovation.
With advanced Linux-based architecture, EtherCAT technology, and a modular design, DEIF PLCs deliver superior connectivity, rapid deployment, and unmatched adaptability. Our PLCs are manufactured in-house in Denmark, ensuring consistent quality and fast global delivery.
Choose DEIF PLCs to future-proof your operations and gain a competitive edge in automation.
What sets DEIF PLCs apart?
Full line supplier & one-stop shop: A comprehensive portfolio of PLCs and automation controllers, covering everything from energy management to marine and industrial applications.
Cybersecurity certified: Certified to leading cybersecurity standards, providing secure operation and peace of mind.
Superior environmental robustness: Designed for harsh environments, DEIF PLCs excel in extreme temperatures, vibration and humidity — outperforming other PLCs in reliability.
Short lead times & in-house manufacturing: All DEIF PLCs are produced in Denmark, ensuring rapid delivery and consistent quality.
Comprehensive marine approvals: DEIF PLCs hold nine major marine certifications, making them ideal for demanding marine and offshore applications.
Explore this page: PLCs | Benefits and features | Applications | Case studies | FAQs | Blogs
Benefits & features of DEIF PLCs
Standout features
Linux-based platform: Stability, open development and long-term support.
Bi-directional I/O: Inputs can be reconfigured as outputs for maximum flexibility.
Scalable expansion: Local and distributed I/O options, supporting EtherCAT extension racks.
The win?
Fewer vendors to manage: One supplier across energy management, marine and industrial control.
Less integration complexity: Off-the-shelf functions plus custom logic, on one open platform.
More time to innovate: Pre-tested libraries and rapid deployment shorten commissioning.
Selected applications
PMS control architecture with a PLC gateway for data centre
DEIF’s PMS control architecture for data centers uses advanced PLCs as gateways to manage and coordinate power sources, utilities, and loads. PLCs enable fast, automatic switching between sources, support both short-break and no-break solutions, and allow easy integration of solar and battery systems. This PLC-based setup ensures reliable, resilient, and future-ready power management for critical data center operations
Combination - mix of AC and DC
DEIF’s combination power architecture control leverages advanced PLCs to seamlessly manage both AC and DC power systems on commercial vessels. These PLCs enable efficient, bidirectional power flow, support redundant busbar configurations for enhanced safety, and make it easy to expand into hybrid solutions with batteries or shore power—delivering flexible, reliable, and future-ready vessel automation.
Selected case studies
PLC control solution ensures reliable water supply in Ecuador
Afford Marine & DEIF AMC 300 PLC
PLCs (programmable logic controllers) are industrial computers used to automate processes. DEIF PLCs stand out for their modularity, cybersecurity, and broad protocol support.
DEIF PLCs support EtherCAT, OPC UA, CAN/CANopen, J1939, Modbus TCP/RTU, Profibus DP, and PROFINET.
Yes, DEIF PLCs are designed for extreme conditions, including temperature, vibration, and humidity.
Standard PLCs are shipped in less than 7 days, thanks to in-house manufacturing.
DEIF PLCs offer encrypted communication, secure firmware updates, and compliance with industry-leading cybersecurity standards.
Download DEIF's PLC E-Guide
Navigating the real dilemmas in selecting automation solutions
For system integrators and panel builders, choosing the right automation solution is a decision with long-term technical, operational, and financial consequences. The market offers a spectrum of options - traditional PLCs, dedicated controllers, and increasingly, hybrid platforms that promise the best of both worlds. But beneath the marketing claims, the real-world decision is complex, involving a web of technical, integration, migration, and business considerations. This post explores the key dilemmas and reflections that should guide your process, offering practical, non-fluff guidance for professionals who need to get it right the first time.
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Contact us to discuss your options
- 90 years of energy pioneering
- Manufactured at the highest standards
- Superior quality
- Unmatched service and support
- Made in Denmark